Global marine engineering consultancy LOC Group (London Offshore Consultants) announced appointments in two new positions; John Quarrington has joined the company in London as Group Marine Warranty Surveying Manager and Mark McGurran has been appointed to the Singapore office in the role of Asia Regional Hull & Machinery Coordinator. John Quarrington is based in London where he will be supporting the Group Energy Services Director (Alex Harrison) with the continued development of LOC’s global marine warranty surveying activities across its 33 offices. A master mariner by background, John has worked for large engineering consultancies and oil companies around the world taking the lead on a range of oil and gas projects.